Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2006 Instituto de Desarrollo Regional and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Iba?ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   Instituto de Desarrollo Regional (Universidad de Castilla La-Mancha)

 *   Campus Universitario s/n

 *   02071 Alabacete

 *   Spain

 *

 *   +34 967 599 200

 */

package org.gvsig.raster.grid.filter.histogramMatching;

import java.util.ArrayList;

import org.gvsig.raster.dataset.IRasterDataSource;

import org.gvsig.raster.dataset.Params;

import org.gvsig.raster.datastruct.Histogram;

import org.gvsig.raster.grid.filter.FilterTypeException;

import org.gvsig.raster.grid.filter.IRasterFilterListManager;

import org.gvsig.raster.grid.filter.RasterFilter;

import org.gvsig.raster.grid.filter.RasterFilterList;

import org.gvsig.raster.grid.filter.RasterFilterListManager;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

/**

 * Gestion  de la lista de filtros para el filtro de tipo HistogramMatchig

 *

 * @author aMu?oz (alejandro.munoz@uclm.es)

 * @version 27-05-2008

 *

 * */

public class HistogramMatchingListManager implements IRasterFilterListManager{

        protected RasterFilterList                        filterList                                = null;

        // Constructor

        public HistogramMatchingListManager(RasterFilterListManager filterListManager){

                this.filterList = filterListManager.getFilterList();

        }

        /** Metodo de registro del filtro */

        public static void register() {

                ExtensionPointManager extensionPoints =ToolsLocator.getExtensionPointManager();

                ExtensionPoint point=extensionPoints.get("RasterFilter");

                point.append("Matching", "", HistogramMatchingListManager.class);

        }

        public void addFilter(Class classFilter, Params params) throws FilterTypeException {

                if (classFilter.equals(HistogramMatchingFilter.class)) {

                        String fileNameOutput=null;

                        IRasterDataSource raster=null;

                        int numbands=0;

                        Histogram histogramReference                = null;

                        for (int i = 0; i < params.getNumParams(); i++) {

                                if (params.getParam(i).id.equals("raster"))

                                        raster = (IRasterDataSource)(params.getParam(i).defaultValue);

                                if (params.getParam(i).id.equals("numbands"))

                                        numbands = ((Integer)(params.getParam(i).defaultValue)).intValue();

                                if (params.getParam(i).id.equals("histogramReference"))

                                        histogramReference = (Histogram)(params.getParam(i).defaultValue);

                                if (params.getParam(i).id.equals("fileNameOutput"))

                                        fileNameOutput= new String((String) params.getParam(i).defaultValue);

                        }

                        addHistogramMatchingFilter(raster,numbands,histogramReference,fileNameOutput);

                }

        }

        /**

         * A?ade un filtro HistogramMatching a la pila de filtros.

         * @param histogramReference Histograma de referencia al que ajustar el raster

         * @param fileNameOutput fichero de salida

         * @throws FilterTypeException

         */

        public void addHistogramMatchingFilter(IRasterDataSource raster,int numbands,Histogram histogramReference,String fileNameOutput) throws FilterTypeException {

                RasterFilter filter = new HistogramMatchingByteFilter();

                if (filter != null){

                        filter.addParam("raster", raster);

                        filter.addParam("histogramReference", histogramReference);

                        filter.addParam("numbands",new Integer(numbands));

                        filter.addParam("fileNameOutput",fileNameOutput);

                        filterList.add(filter);

                }

        }

        public int createFilterListFromStrings(ArrayList filters, String fil, int filteri) {

                return filteri;

        }

        /**

         * Obtiene un Array de Strings a partir de una pila de filtros. Cada elemento

         * del array tendr? la forma de elemento=valor.

         */

        public ArrayList getStringsFromFilterList(ArrayList filterList, RasterFilter rf) {

                if (rf instanceof HistogramMatchingFilter) {

                        HistogramMatchingFilter histogramMatchingFilter = (HistogramMatchingFilter) rf;

                        filterList.add("filter.histogramMatch.active=true");

                        filterList.add("filter.histogramMatch.histogramReference="+histogramMatchingFilter.histogramReference);

                        filterList.add("filter.histogramMatch.numbands="+histogramMatchingFilter.numbands);

                        filterList.add("filter.histogramMatch.filenameOutput="+histogramMatchingFilter.fileNameOutput);

                        filterList.add("filter.histogramMatch.filterName=" + histogramMatchingFilter.getName());

                }

                return filterList;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.IRasterFilterListManager#getRasterFilterList()

         */

        public ArrayList getRasterFilterList() {

                ArrayList filters = new ArrayList();

                filters.add(HistogramMatchingFilter.class);

                return filters;

        }

        public static RasterFilter createHistogramMatchFilter() {

                RasterFilter filter = new HistogramMatchingFilter();

                return filter;

        }

}